Equipment unit · VIN-decoded · NHTSA vPIC

4DRBUAAN56B261520

Not yet decoded
Carriers run under2
6 mo
Inspections2
all-time
OOS inspections1
of 2
First seenOct 25, 2025
PA
Last seenApr 29, 2026
PA
Inspected under 2 different carriers in 6 months
A unit that bounces between many operators can indicate slip-seating, heavy sub-haul, or double-brokering. Review the carrier timeline below for load integrity — context for human judgment, not a verdict.
01

Decoded identity

From the 17-character VIN via NHTSA vPIC

This VIN has not been decoded yet — the unit's carrier, inspection and plate history below is reconstructed from the FMCSA inspection feed regardless.

Decode evidence & sources

Deterministic structure

These fields come directly from VIN positions and the published checksum calculation, with zero store IO.

World manufacturer identifier
4DR

Deterministic · VIN positions 1–3.

Vehicle descriptor section
BUAAN

Deterministic · VIN positions 4–8.

Check digit
5 · valid

Deterministic · position 9; calculated value 5.

Model year candidates
2006 or 2036

Position 10 repeats every 30 years; both candidates are retained and neither is silently selected.

North American serial sequence
261520

Deterministic · positions 12–17 for a North American WMI.

Sourced platform inference

The prefix store publishes only at support ≥ 3 and purity ≥ 90%. Prefix confidence is shown beside every established platform claim.

Make
IC BUS

Prefix basis · 105 decoded VINs at 100.0% prefix purity.

Model
PB105

Prefix basis · 105 decoded VINs at 100.0% prefix purity.

Model line
Not established

No sourced model-line label is established.

No source established for this field.

Generation
Not established

No sourced generation label is established.

No source established for this field.

Cab type
Not established

No sourced cab label is established.

No source established for this field.

Not established

  • model line
  • generation
  • cab type

These are withheld claims, not negative findings.

02

Inspection history

Every roadside inspection of this VIN, newest first · Oct 25, 2025 – Apr 29, 2026

DateStateLevelViol.OOSCarrier (DOT)Plate
Apr 29, 2026PAIII · Driver-only2AFFORDABLE TRANSPORTATION SERVICES 4065994BA91248/PA
Oct 25, 2025PAI · Full2OOSB R WILLIAMS INC 352495BA91248/PA
03

Carriers this unit has run under

2 distinct carriers · grouped by DOT · newest activity first

CarrierDOTFirst seenLast seenInsp.State
AFFORDABLE TRANSPORTATION SERVICES4065994Apr 29, 2026Apr 29, 20261PA
B R WILLIAMS INC352495Oct 25, 2025Oct 25, 20251NJ
Names are left-joined from the FMCSA census; a DOT with no census match falls back to its number.
04

Plate & unit-number history

The same truck under different plate registrations across carriers

PlateState / prov.Unit no.CarrierDate rangeInsp.
BA91248PAAFFORDABLE TRANSPORTATION SERVICESApr 29, 2026Apr 29, 20261
BA91248PAB R WILLIAMS INCOct 25, 2025Oct 25, 20251
Sources: FMCSA SAFER · L&I · NHTSA vPIC